 | | Re: 10170 TTX Intermodal Double-Stack Car Preview —Kevin Salm
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| | | (...) It has always been my understanding that the FIRST reason for shared trucks is to reduce Rolling Resistance. Fewer wheels means less rolling resistance. But, I could be wrong on this. . (20 years ago, 4-May-05, to lugnet.trains)
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| | | | | Re: 10170 TTX Intermodal Double-Stack Car Preview —Larry Pieniazek
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| | | | (...) I think that certainly helps, but I'd be interested in your sources. Mine are just what I vaguely remember from articles in TRAINS magazine all these years (coming up on my 35th anniversary as a subscriber)... (20 years ago, 4-May-05, to lugnet.trains)
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| | | | | | Re: 10170 TTX Intermodal Double-Stack Car Preview —James Powell
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| | | | (...) As far as I have always understood it, the rolling resistance is practically the same regardless of the # of wheels...with the exception that very lightweight trains (such as empty container cars) have a higher drag than per lb than (...) (20 years ago, 8-May-05, to lugnet.trains)
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